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authorGravatar Paul Mundt <lethal@linux-sh.org> 2010-11-01 12:18:48 -0400
committerGravatar Paul Mundt <lethal@linux-sh.org> 2010-11-09 16:40:00 +0900
commit16b259203c513ed28bd31cc9a981e0d3ad517943 (patch)
treed29600ee92f96a8f9bcf9e3d91e001ea8e09015c /arch/sh/kernel/cpu/sh2a/clock-sh7203.c
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyt... (diff)
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sh: migrate SH_CLK_MD to mode pin API.
This kills off the hardcoded SH_CLK_MD introduced by the SH-2 boards and converts over to the mode pin API. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/clock-sh7203.c')
-rw-r--r--arch/sh/kernel/cpu/sh2a/clock-sh7203.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
index 7e75d8f79502..95a008e8b735 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -25,21 +25,11 @@ static const int pll1rate[]={8,12,16,0};
static const int pfc_divisors[]={1,2,3,4,6,8,12};
#define ifc_divisors pfc_divisors
-#if (CONFIG_SH_CLK_MD == 0)
-#define PLL2 (1)
-#elif (CONFIG_SH_CLK_MD == 1)
-#define PLL2 (2)
-#elif (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 3)
-#define PLL2 (4)
-#else
-#error "Illegal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
static void master_clk_init(struct clk *clk)
{
- clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * PLL2 ;
+ clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * pll2_mult;
}
static struct clk_ops sh7203_master_clk_ops = {
@@ -79,6 +69,13 @@ static struct clk_ops *sh7203_clk_ops[] = {
void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
{
+ if (test_mode_pin(MODE_PIN1))
+ pll2_mult = 4;
+ else if (test_mode_pin(MODE_PIN0))
+ pll2_mult = 2;
+ else
+ pll2_mult = 1;
+
if (idx < ARRAY_SIZE(sh7203_clk_ops))
*ops = sh7203_clk_ops[idx];
}